<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        async function getData(){
            console.log('start');
            await new Promise((resolve,reject)=>{
                    setTimeout(()=>{
                        console.log('计时器完毕');
                        resolve()
                    },2000)
            });
            console.log('等待后的语句');
        }
        getData()
        console.log('end');
    </script>
</body>

</html>